Frequencies for first 10,000 rows of drg1ing3 variable in nhamcsed1995 dataset :

 ingredient |
code #3 for |
    drug #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,888       98.88       98.88
      50637 |          2        0.02       98.90
      50745 |          7        0.07       98.97
      53175 |         21        0.21       99.18
      53895 |          2        0.02       99.20
      53995 |          1        0.01       99.21
      54395 |         23        0.23       99.44
      54455 |          1        0.01       99.45
      54465 |          9        0.09       99.54
      54595 |         11        0.11       99.65
      54655 |          1        0.01       99.66
      54960 |          1        0.01       99.67
      54995 |          1        0.01       99.68
      55105 |          5        0.05       99.73
      55240 |         26        0.26       99.99
      56020 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016